The number of ways in which 6 Telugu, 4 Hindi and 3 English books be placed in a row on a shelf so that the books of the same subject should remain together is

The number of ways in which 4 books on Mathematics and 3 books on English can be placed in a shelf, so that the books on the same subject always remain together is

There are 6 books of physics , 3 of chemistry and 4 of biology . Number of ways in which these bokks be placed on a shelf if the books of the ame subject are to be together is

There are 6 books of physics , 3 of chemistry and 4 of biology . Number of ways in which these bokks be placed on a shelf if the books of the ame subject are to be together is

The number of ways in which 5 mathematics 4, physcis 2, chemistry books can be aranged in a shelf so that the books of each subject are kept together is

The number of ways in which 5 mathematics , 4 physics , 2 chemistry books can be arranged in a shelf so that the books of mathematics books are kept together is

In how many ways can 10 books on English and 8 books on physics be placed in a row on a shelf so that two books on physics may not be together?

In how many ways can 3 books on Hindi and 3 books on English be arranged in a row on a shelf, so that not all the Hindi books are together ?